| 1 | /* |
| 2 | * Copyright (C) 2015 Igalia S.L |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * |
| 14 | * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| 15 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 16 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 17 | * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| 18 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 19 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 20 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 21 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 23 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | */ |
| 25 | |
| 26 | #ifndef XUniquePtr_h |
| 27 | #define XUniquePtr_h |
| 28 | |
| 29 | #if PLATFORM(X11) |
| 30 | #include "PlatformDisplayX11.h" |
| 31 | #include <X11/Xutil.h> |
| 32 | |
| 33 | #if USE(GLX) |
| 34 | typedef struct __GLXcontextRec* GLXContext; |
| 35 | extern "C" void glXDestroyContext(Display*, GLXContext); |
| 36 | #endif |
| 37 | |
| 38 | namespace WebCore { |
| 39 | |
| 40 | template<typename T> |
| 41 | struct XPtrDeleter { |
| 42 | void operator()(T* ptr) const |
| 43 | { |
| 44 | XFree(ptr); |
| 45 | } |
| 46 | }; |
| 47 | |
| 48 | template<typename T> |
| 49 | using XUniquePtr = std::unique_ptr<T, XPtrDeleter<T>>; |
| 50 | |
| 51 | template<> struct XPtrDeleter<XImage> { |
| 52 | void operator() (XImage* ptr) const |
| 53 | { |
| 54 | XDestroyImage(ptr); |
| 55 | } |
| 56 | }; |
| 57 | |
| 58 | template<> struct XPtrDeleter<_XGC> { |
| 59 | void operator() (_XGC* ptr) const |
| 60 | { |
| 61 | XFreeGC(downcast<PlatformDisplayX11>(PlatformDisplay::sharedDisplay()).native(), ptr); |
| 62 | } |
| 63 | }; |
| 64 | // Give a name to this to avoid having to use the internal struct name. |
| 65 | using XUniqueGC = XUniquePtr<_XGC>; |
| 66 | |
| 67 | #if USE(GLX) |
| 68 | template<> struct XPtrDeleter<__GLXcontextRec> { |
| 69 | void operator() (__GLXcontextRec* ptr) |
| 70 | { |
| 71 | glXDestroyContext(downcast<PlatformDisplayX11>(PlatformDisplay::sharedDisplay()).native(), ptr); |
| 72 | } |
| 73 | }; |
| 74 | // Give a name to this to avoid having to use the internal struct name. |
| 75 | using XUniqueGLXContext = XUniquePtr<__GLXcontextRec>; |
| 76 | #endif |
| 77 | |
| 78 | } // namespace WebCore |
| 79 | |
| 80 | #endif // PLATFORM(X11) |
| 81 | |
| 82 | #endif // XUniquePtr_h |
| 83 | |